The Pearson and Spearman correlation coefficients: Question 14 options: A) Are equivalent measures of linear association B) Provide ways of quantifying the association between 2 continuous variables C) Require continuous variables that are independent from one another D) Are both insensitive to outliers E) Both A and B are true F) Both A and C are true G) Both C and D are true

Answered: Image /qna-images/answer/05d6d1f8-1409-45a1-b147-5dfa50e15807.jpg

Answered: The Pearson and Spearman correlation…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Which of the following best describes the relationship between the variables on the scatter plot below? 11 10 15 4 3. 2 1 1234 56 7 8 9 10 11 12 13 O A. linear association OB. no association OC. non-linear association OD. linear and non-linear association
Which of the following is true about the correlation coefficient? A) It ranges from 0 to 1. B) It indicates the strength and direction of a linear relationship between two variables. C) It can be greater than 1. D) It is used to measure the central tendency of data.
Page 34 Compute the correlation coe cient, r, for the following table: X 10 y 5 12 15 16 1 4 6 18 1 9 7 8 1 25 12 14 17 3 6
As a result of the research, it was concluded that there is no relationship between the two variables. What is the value of the correlation coefficient?A) 0,0B) 0,75C) 0,25D) 0,50
x y 10 8.04 8 6.95 13 7.58 9 8.81 11 8.33 14 9.96 6 7.23 4 4.26 12 10.84 6) The value of the correlation coefficient is: A) 0.633 B) 0.795 C) 1.266 D) -0.633
4) The following data gives the distribution of scores of 10 students in mathematics and statistics in a test. Find the correlation coefficient r (X,Y). Scores in Mathematics(X): 27 31 32 26 37 Scores in Statistics (Y): 31 34 26 32 37 a) - 0.359 b) 0 - 0.953 c) - 0.539 d) - 0.395 35 35 26 28 29 38 32 39 33 32
1) Check Image Best Actress Best Actor 28 41 30 38 30 40 62 47 32 47 34 48 44 64 28 52 60 41 23 54 44 44 51 32 2) The linear correlation coefficient is r= (Round to three decimal places as needed.) 3) Determine the null and alternative hypotheses. H0: ρ H1: ρ (Type integers or decimals. Do not round.) 4) The test statistic is t= (Round to three decimal places as needed.) 5) The P-value is (Round to three decimal places as needed.) 6) Because the P-value of the linear correlation coefficient is? the significance level, there? sufficient evidence to support the claim that there is a linear correlation between the ages of Best Actresses and Best Actors. 7) Check Image
4- Consider the set of following data: Temperature 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Percent heat loss from 32 34 35 33 37 46 55 51 43 52 45 53 58 60 62 62 beak a) Make a scatterplot and describe the main features of the distribution. b) Find the correlation coefficient if you see a linear association (use a calculator).
Calculate co-efficient of correlation from the following data : 500 1000 1500 2000 X: Y: 2500 3000 3500 100 200 300 400 500 600 700

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	A) Are equivalent measures of linear association
	B) Provide ways of quantifying the association between 2 continuous variables
	C) Require continuous variables that are independent from one another
	D) Are both insensitive to outliers
	E) Both A and B are true
	F) Both A and C are true
	G) Both C and D are true